... current, phase, frequency, phase sequence, power, power factor. Clamp Size: φ7.5mm×13mm, Phase: 0~360°, AC Current: 0.0mA~20 ... SizeLength, Width, Height:196mm×92mm×54mmClamp Sizeacuminate current clamp:7.5mm×13mmMeasurement Range(automatic shift)AC Voltage:0.00V~600V ... the replacement of battery when the battery voltage drops below 7.2V.WeightMain Unit about 550g(with battery),acuminate current clamp ...